Due to an administration error, a patient may have received too much phenylephrine (Neo-Synephrine). Which findings would support the nurse's concerns about overdosage? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply
1. The patient's heart rate has increased from 72 bpm to 114 bpm.
2. The patient reports feeling anxious.
3. The patient's blood pressure has increased from 140/86 mmHg to 180/98 mmHg.
4. The patient's stools are dark and tarry.
5. The patient reports burning at the injection site.
1,3
Rationale 1: An overdose of phenylephrine (Neo-Synephrine) will result in tachycardia.
Rationale 2: Feelings of anxiety and restlessness are expected adverse effects of phenylephrine (Neo-Synephrine).
Rationale 3: Overdosage of phenylephrine (Neo-Synephrine) will result in hypertension.
Rationale 4: Dark and tarry stools are not related to phenylephrine (Neo-Synephrine).
Rationale 5: Burning at the injection site would indicate possible extravasation, not overdose.
Global Rationale: An overdose of phenylephrine (Neo-Synephrine) will result in tachycardia and hypertension. Feelings of anxiety and restlessness are expected adverse effects of phenylephrine (Neo-Synephrine). Dark and tarry stools are not related to phenylephrine (Neo-Synephrine). Burning at the injection site would indicate possible extravasation, not overdose.
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